diff options
| author | Jason McIntyre <jmc@cvs.openbsd.org> | 2015-03-18 06:56:42 +0000 |
|---|---|---|
| committer | Jason McIntyre <jmc@cvs.openbsd.org> | 2015-03-18 06:56:42 +0000 |
| commit | 8c651fdd2f1313f59b10eea09b2f8e35fc24dd87 (patch) | |
| tree | 7f2296006fa2f639a23293265d3ef97e334cd6f0 /share/man/man4 | |
| parent | fc6e23e70a6422129380250bbbf1a171861a1028 (diff) | |
minor tweaks;
Diffstat (limited to 'share/man/man4')
| -rw-r--r-- | share/man/man4/gre.4 | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/share/man/man4/gre.4 b/share/man/man4/gre.4 index 9041c684852..da7ee8fb093 100644 --- a/share/man/man4/gre.4 +++ b/share/man/man4/gre.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: gre.4,v 1.40 2015/03/18 01:12:16 mcbride Exp $ +.\" $OpenBSD: gre.4,v 1.41 2015/03/18 06:56:41 jmc Exp $ .\" $NetBSD: gre.4,v 1.10 1999/12/22 14:55:49 kleink Exp $ .\" .\" Copyright 1998 (c) The NetBSD Foundation, Inc. @@ -54,10 +54,12 @@ variables respectively in .It Va net.inet.gre.allow Allow GRE packets in and out of the system. .It Va net.inet.gre.wccp -Set to 1 to allow WCCPv1-style GRE packets into the system, +Set to 1 to allow WCCPv1-style GRE packets into the system; set to 2 to handle the the packets as WCCPv2-style GRE, truncating the redirect header. -This variable depends on the above. +This variable depends on +.Va gre.allow +being set. .It Va net.inet.mobileip.allow Allow MobileIP packets in and out of the system. .El @@ -73,7 +75,7 @@ configuration file for .Pp This driver currently supports the following modes of operation: .Bl -tag -width abc -.It GRE encapsulation (IP protocol number 47). +.It GRE encapsulation (IP protocol number 47) Encapsulated datagrams are prepended by an outer datagram and a GRE header. The GRE header specifies the type of the encapsulated datagram and thus allows for tunneling other protocols than IP like @@ -82,7 +84,7 @@ GRE mode is the default tunnel mode on Cisco routers. This is also the default mode of operation of the .Nm interfaces. -.It MOBILE encapsulation (IP protocol number 55). +.It MOBILE encapsulation (IP protocol number 55) Datagrams are encapsulated into IP, but with a much smaller encapsulation header. This protocol only supports IP in IP encapsulation, and is intended @@ -295,5 +297,4 @@ these packets. .Sh BUGS GRE RFC not yet fully implemented (no GRE options). .Pp -For WCCPv2 GRE encapsulated packets we don't handle the redirect -header, but simply skip it. +The redirect header for WCCPv2 GRE encapsulated packets is skipped. |